<p>A mutable collection instance is assigned to a final static field, thus can be changed by malicious code or by accident from another package. The field could be made package protected to avoid this vulnerability. Alternatively you may wrap this field into <code>Collections.unmodifiableSet/List/Map/etc</code>. to avoid this vulnerability.</p>

<p>
This rule is deprecated, use {rule:squid:S2386} instead.
</p>
